Automatic brake-pipe coupling.



D. DORSO.

AUTOMATIC BRAKE PIPE COUPLING.

APPLIGATION FILED JUNE 15, 1914.

1 132 .916, 1 Patented Man23, 1915.

Pi I:

ATTO/VY,

THE NORRIS PETERS CO. FHOTULITHQ. WASHINGIUN. D. C

- zen of the Republic 7 Vancouver,

DESIRE nonso, or VANCOUVER, BRITISH COLUMBIA, CANADA.

AUTOMATIC BRAKE-PIPE COUPLIN Specification of Letters Patent.

Application filed June 15, 1914. Serial N 0. 845,203.

To all whom it may concern:

Be it known that I, Dr'isnar'i DoRso, a citiof France, residing at in the Province of British Columbia, Canada, have invented certain new and useful Improvements in Automatic Brake-Pipe Couplings, of which the following is a specification.

This invention relates to an automatic pipe coupling of that class which is used to connect the air brake pipes of a railway train between the cars and the improvement is directed to the formof the coupling ends and to a means for supporting the flexible pipe to which these ends are attached at each end of the car at such a distance therefrom as will allow the coupling of the pipes to be automatically effected, while the cars are being coupled, so as to obviate the necessity of any pipe coupling by manual operation between the cars.

The invention also comprises a means for protecting the coupling from the weather so that snow or sleet may not collect on the coupling end of the pipe, which weather protection is movable clear of the coupling as the cars come together.

The invention is particularly described in the following specification, reference being made to the drawings by which it is accompanied, in which:

Figure 1 is a side elevation of the coupling supporting means of two adjacent cars in their apart position. .Fig. 2 is a plan of the same. Fig. 3 is an enlarged detail showing the pipes as coupled, and Fig. 1 is an enlarged detail in plan of the coupling ends.

In these drawings 2 and 3 represent the ends of adjacent cars, and 1 is the frame of the bogie truck of one of them to which the pipe end support of that car is attached. The train pipe of the car is represented by 5, and 6 is the flexible coupling length by which the coupling end 7 is connected to the train pipe 5. It is necessary 'to sustain the coupling end 7 at a suitable height and in advance of the car coupling, that connection of the pipe ends will be made as the cars come together. In order to sustain them in proper position at a uniform height attachment is, not made, to the body 2 of the car as the vertical height of the car body from the rail is subject to variation due to the disposition of the weight of the vehicle and the condition of the springs on which.

it is carried, and the end of the car body is also subject to lateral variation from the middle line of the track if the vehicle should be standing on a curve.

The support is attached to'the frame 4 of the bogietruck of the car. The support comprises a light suitably braced metal frame 10 secured to and projecting forward from the front end of the bogie frame 4;, on which frame 10 a pair of parallel levers 12 is pivotally mounted at 11, the outer end of which levers are downwardly bent, as at 13, toa suitable curve, and they are counterweighted, as at 14, to sustain their own weight anda due proportion of that of the coupling. pling end 7 is pivotally mounted at 16 be tween the curved endsof the levers 12 and is thereby sustained at the uniform height and sufficiently far in advance of the car coupling to enable coupling of the pipes to be effected when the cars are coupled. Each coupling end 7 is a half lap, reversed on opposite ends that when pressed together the lateral passage 8 in the half lap face of each willestablish communication between the pipes. They are heldtogether at the half lap by a spring 15 secured to the inner end of the coupling and bent to afford an entering taper and press the half lap end of one against the inserted end of the other.

The curved ends 13 of the vers 12 contact with one another as the cars come together and as they yield downward of the car so Each couthe ends being Patented an. as, 1915. i V

sustaining leoffer suficient resistance to enable the half lap of one coupling end to be inserted and be pressed home into the similar half lapof the other so as to establish communication between the two pipes. The flexible coupling 6 is supported against undue flexure during this backward movement by an articulated frame composed of two pair of parallel levers 17 and 18 which are pinconnected at 19 to one another and one end of the levers 17 is connected to the pin 16 V which carries the coupling end 7 while the other end of the lever 18 is pin-connected at 20 to the supporting frame 10. This link connection 17, 18 is normally angled from the straight line between their connections at 16 and 20 so that as the lever 12 moves downward the link connection 17, 18 moves downward also and between the double links 17 is a distance piece 21 intermediate of the ends, on which the flexible pipe 6 rests.

The pivot pin 16 by which the coupllng end is connected to the levers 12 passes through lugs on the upper side of the coupling end, and the coupling end is provided with a laterally projecting check 9 to engage the underside of one of the link rods 17 to maintain the coupling end in a substantially horizontal position. Protecting each coupling end from the weather is a light sheet metal shelter 23 projecting slightly beyond the coupling end 7 and carried on two levers 24 the ends of which are curved upward. These levers are pin-connected at 25 to the frame 10 and as the curved edges of 24: contact with one another they move upward while the coupling supporting levers move downward. With the coupling ends of the pipes so constructed and supported they are projected a sufficient distance in advance of the coupling of the car and are sustained in a substantially horizontal position to enablethe coupling ends to be pressed into connecting contact before the coupling of the cars is efl'ected, during which movement the coupling ends move backward and clownward to enable the car couplings to come together and the weather shelter is lifted up ward in the manner shown.

Having now particularly described my invention, I hereby declare that what I claim as new and desire to be protected in by Letters Patent, is:

1. An automatic pipe coupling for cars, comprising the combination with a coupling end which is flexibly connected to the train pipe of the car, of means for sustaining the coupling endv in advance of the coupling of the car said means comprising a support secured to and projecting forward from the bogie truck of the car, a counterweighted lever pivoted to said support said lever having a downwardly curved outer end to which curved end the coupling end of the pipe is pivotally connected, and means for sustaining the coupling end in a substantially horizontal position.

2. An automatic pipe coupling for cars, comprising the combination with a coupling end which is flexibly connected to the train pipe of the car, of means for sustaining the coupling end in advance of the coupling of the car said means comprising a support secured to and projecting forward from the bogie truck of the car, a counterweighted lever pivoted to said support said lever having a downwardly curved outer end to which curved end the coupling end of the pipe is pivotally connected, means for sustaining the coupling end in a substantially horizontal position, means for checking downward movement of the coupling end on its pivot, and means for supporting the flexible pipe adjacent to the coupling end against fleXure downward.

3. An automatic pipe coupling for cars, comprising the combination with a coupling end which is formed to make a half lapped connection with that of the other car and has an aperture in the half lapped face which coupling is flexibly connected to the train pipe of the car, of means for yieldingly sustaining the coupling end in advance of the coupling of the car said means comprising a support secured to and projecting from the bogie truck of the car, a counterweighted lever pivoted to said support said lever having a downwardly curved outer end to which curved end the coupling end of the pipe is pivotally connected, a stop on the coupling checking downward movement of the coupling end on its pivot and a toggle lever system pivotally connected to the pivot of coupling end and to the supporting frame from the bogie truck on which toggle lever the flexible pipe connection of the coupling is supported.

4:. An automatic pipe coupling for cars, comprising the combination with a coupling end which is formed to effect a half lap junction with that of the other coupling end on being pressed endwise together, of means for yieldingly sustaining the coupling end in advance of the coupling of the car, said means comprising asupport secured to and projecting forward from the frame of the bogie truck of the car, two parallel counterweighted levers pivotally mounted on said support the outer ends of said levers being downwardly turned to engage the correspondingly downwardly turned ends of the supporting lever of the adjacent car, means for pivotally connecting the coupling end between the counterweighted levers, means for checking downward movement of the coupling end on its pivot, parallel toggle levers between the bent end of the counterbalanced levers and the supporting frame between which toggle levers the flexible pipe of the coupling is supported against downward flexure adjacent to the coupling end.

5. An automatic pipe coupling for cars, comprising the combination with a coupling end which is flexibly connected to the train pipe of a car, and means for yieldingly sustaining it in advance of the car coupling, of a weather shelter carried over the coupling end and means for independently supporting said weather shelter over said coupling end.

6. An automatic pipe coupling for cars, comprising the combination with a coupling end which is flexibly connected to the train pipe of a car, of means including a carrying frame for yieldingly supporting said coupling end in advance of the car coupling, and a Weather shelter over the coupling end and its connected mechanism shelter supporting levers Which are pivotally mounted to said carrying frame the ends of said levers being upwardly turned in advance of the coupling end to engage corresponding le- In testimony whereof I aflix my signature in presence of tWo Witnesses.

DESIRE DORSO. Witnesses ROWLAND BRITTAIN,

MAY WHYTE.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0." 

